🇦🇷 Buenos Aires vs 🇺🇸 San Jose
Weather Comparison
Current Weather Right Now
🇦🇷
Buenos Aires

65°F
Clear Sky
Feels like 65°F
H 66°F / L 64°F
Humidity: 61%
🇺🇸
San Jose

85°F
Scattered Clouds
Feels like 83°F
H 88°F / L 82°F
Humidity: 23%
Climate Overview
Buenos Aires
Humid subtropical — hot humid summers, mild winters, year-round rainfall
Buenos Aires has a humid subtropical climate — hot and sticky summers, mild winters, and moderate rainfall year-round. The Pampas winds can create dramatic temperature swings. The city is in the Southern Hemisphere, so seasons are opposite to North America/Europe.
San Jose
San Jose at the southern end of San Francisco Bay has a warm Mediterranean climate that is sunnier and warmer than the coast. The mountains to the east and west create a valley setting that warms significantly in summer. The Bay moderates extremes but San Jose sees more heat days than San Francisco and less coastal fog.
Seasonal Comparison
| Season | 🇦🇷 Buenos Aires | 🇺🇸 San Jose |
|---|---|---|
| Spring | 57–73°F September–November | — |
| Summer | 72–88°F December–February | — |
| Fall | 61–75°F March–May | — |
| Winter | 48–63°F June–August | — |
Buenos Aires vs San Jose: Frequently Asked Questions
Does Buenos Aires or San Jose have better weather?
Buenos Aires and San Jose have very different climates. Humid subtropical — hot humid summers, mild winters, year-round rainfall San Jose: San Jose at the southern end of San Francisco Bay has a warm Mediterranean climate that is sunnier a. The best city depends on your preferred season and temperature range.
When is the best time to visit Buenos Aires vs San Jose?
Best time for Buenos Aires: March, April, October, November. Best time for San Jose: spring and fall.